Doctor profile · Federal record
Dr. Gandis Mazeika, M.D.
Sleep Medicine (Psychiatry & Neurology) Physician (CMS: Neurology) · Specialist · Edmonds, WA
- NPI 1679518880
- Accepts Medicare
- MIPS 77.9 / 100 · 2023
- 33 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
21701 76Th Ave W Ste 206
Edmonds, WA 980267536
(425) 636-2400
fax (425) 636-2401 - Mailing address
-
16150 Ne 85Th St Ste 203
Redmond, WA 980523543
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 12, 2022
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 2084S0012X — NUCC code
- State license (1)
- Washington #MD00038659
- Medicaid
- WA #1110972
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679518880. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,301
Distinct HCPCS
10
Medicare allowed
$234,587
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
96127 |
Assessment of emotional or behavioral problems | 686 | 320 | $5 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 535 | 272 | $127 | |
98976 |
Device supply with scheduled recording and transmission for remote monitoring of respiratory system, per 30 days | 399 | 263 | $51 | |
G0399 |
Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 203 | 81 | $98 | |
95819 |
Measurement of brain wave activity (eeg), awake and asleep | 158 | 54 | $471 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 69 | 57 | $179 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 60 | 40 | $127 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 55 | 55 | $166 | |
95957 |
Measurement of brain wave activity (eeg), digital analysis | 49 | 48 | $277 | |
96156 |
Assessment of health behavior | 45 | 16 | $95 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 191. This provider delivers 12× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
72
Patients
0
Total drug cost
$1,531
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 34 | 0 | $514 |
| Zolpidem Tartrate | Generic | 16 | 0 | $100 |
| Modafinil | Generic | 11 | 0 | $794 |
| Ropinirole Hcl | Generic | 11 | 0 | $124 |
Frequently asked questions
What is Dr. Gandis Mazeika's medical specialty?
Dr. Gandis Mazeika practices Sleep Medicine (Psychiatry & Neurology) Physician in Edmonds, WA.
Where does Dr. Gandis Mazeika practice?
Dr. Gandis Mazeika practices at 21701 76Th Ave W Ste 206, Edmonds, WA 980267536. Office phone: 4256362400.
What is Dr. Gandis Mazeika's NPI?
Dr. Gandis Mazeika's National Provider Identifier (NPI) is 1679518880, issued by NPPES.
Does Dr. Gandis Mazeika accept Medicare assignment?
Yes. Dr. Gandis Mazeika accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gandis Mazeika commonly perform?
Top Medicare-reported procedures in 2023: Assessment of emotional or behavioral problems (HCPCS 96127); Established patient office or other outpatient visit (HCPCS 99214); Device supply with scheduled recording and transmission for remote monitoring of respiratory system, per 30 days (HCPCS 98976). Source: CMS Medicare Physician & Other Practitioners file.